Node Requirements for SingleStoreDB Commands
SingleStoreDB commands must be run on the appropriate type(s) of node in a SingleStoreDB cluster.
When sync_
and enable_
are set to ON
, all Data Definition Language (DDL) commands can be forwarded from child aggregator to master.
For more information about these variables, see the Sync Variables Lists.
-
X = recommended to run on this type of node
-
P = possible (but not recommended) to run on this type of node
-
blank = cannot run on this type of node
SingleStoreDB Command |
Master Aggregator |
Child Aggregator |
Leaf |
---|---|---|---|
X |
X |
||
X |
|||
X |
X |
||
X |
|||
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
P |
|
P |
P |
P |
|
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
X |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
X |
|
X |
X |
P |
|
X |
X |
P |
|
X |
X |
X |
|
X |
X |
||
X |
P |
||
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
P |
|
X |
X |
P |
|
X |
X |
P |
|
X |
X |
P |
|
X |
X |
P |
|
P |
P |
P |
|
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
X |
|
X |
X |
P |
|
P |
P |
P |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
P |
|
X |
X |
P |
|
X |
X |
X |
|
X |
X |
P |
|
X |
X |
P |
|
X |
X |
||
X |
X |
||
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
P |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
P |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
X |
|
X |
X |
||
X |
X |
||
X |
X |
X |
|
X |
X |
||
X |
|||
X |
X |
P |
|
X |
X |
P |
Last modified: June 22, 2022